Relating to required payments for changes to the scope of work on construction contracts; prescribing an effective date.

Requires contracting agencies that procure public improvement contracts or contracts for public works and require additional work outside the scope set forth in the public improvement contract or contract for public works to issue change orders for the additional work within a specific time or to pay interest for failing to do so. Requires similar duties from contractors to subcontractors and from owners to contractors in private construction contracts. Takes effect on the 91st day following adjournment sine die.